84326840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 205450560

約数和(自身を除く): 121123720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 514, 520, 631, 1028, 1262, 1285, 2056, 2524, 2570, 3155, 3341, 5048, 5140, 6310, 6682, 8203, 10280, 12620, 13364, 16406, 16705, 25240, 26728, 32812, 33410, 41015, 65624, 66820, 82030, 133640, 162167, 164060, 324334, 328120, 648668, 810835, 1297336, 1621670, 2108171, 3243340, 4216342, 6486680, 8432684, 10540855, 16865368, 21081710, 42163420, 84326840]

約数ペア:

[(1, 84326840), (2, 42163420), (4, 21081710), (5, 16865368), (8, 10540855), (10, 8432684), (13, 6486680), (20, 4216342), (26, 3243340), (40, 2108171), (52, 1621670), (65, 1297336), (104, 810835), (130, 648668), (257, 328120), (260, 324334), (514, 164060), (520, 162167), (631, 133640), (1028, 82030), (1262, 66820), (1285, 65624), (2056, 41015), (2524, 33410), (2570, 32812), (3155, 26728), (3341, 25240), (5048, 16705), (5140, 16406), (6310, 13364), (6682, 12620), (8203, 10280)]